3487157 has 2 divisors, whose sum is σ = 3487158. Its totient is φ = 3487156.

The previous prime is 3487151. The next prime is 3487181. The reversal of 3487157 is 7517843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3334276 + 152881 = 1826^2 + 391^2 .

It is an emirp because it is prime and its reverse (7517843) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3487157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3487151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743578 + 1743579.

It is an arithmetic number, because the mean of its divisors is an integer number (1743579).

Almost surely, 2^3487157 is an apocalyptic number.

It is an amenable number.

3487157 is a deficient number, since it is larger than the sum of its proper divisors (1).

3487157 is an equidigital number, since it uses as much as digits as its factorization.

3487157 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 3487157 is about 1867.3931026969. The cubic root of 3487157 is about 151.6435118753.

The spelling of 3487157 in words is "three million, four hundred eighty-seven thousand, one hundred fifty-seven".